CVE-2026-89965

In the Linux kernel, the following vulnerability has been resolved: nvdimm/btt: reject an arena whose nfree is below the lane count The BTT info block's nfree field, the number of reserve free blocks, is read from the medium without validation. bttfreelistinit and bttrttinit size the per-lane...

CVE-2026-89965 nvdimm/btt: reject an arena whose nfree is below the lane count

In the Linux kernel, the following vulnerability has been resolved: nvdimm/btt: reject an arena whose nfree is below the lane count The BTT info block's nfree field, the number of reserve free blocks, is read from the medium without validation. bttfreelistinit and bttrttinit size the per-lane...

CVE-2026-89965

CVE-2026-89965 affects the Linux kernel nvdimm/btt subsystem. The BTT info block's nfree field (number of reserve free blocks) is read from the medium without validation. btt_freelist_init() and btt_rtt_init() size per-lane freelist[] and rtt[] arrays by nfree, but the I/O path indexes them by la...

EUVD-2026-80565

In the Linux kernel, the following vulnerability has been resolved: nvdimm/btt: reject an arena whose nfree is below the lane count The BTT info block's nfree field, the number of reserve free blocks, is read from the medium without validation. bttfreelistinit and bttrttinit size the per-lane...